of cement mortar,Sou
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Q/Choose between parentheses.
1-- The compound of cement which reacts mainly with sulfate salts is ---------------(C3S,C2S,C3A,C4AF)
2-- When a bar is subjected to change of temperature and its longitudinal deformation is prevented, the stress-induced in the bar is due to -----(tensile,compressive,shear,temperature,Clear selection)
3--If the compressive strength of standard solid clay bricks is 14 MPa, the failure force equals to------(226.2 kN,386.4kN,436.5 kN,400.6 kN,450.4 kN)
4-- for quality control of Portland cement , the test essentially done is --------(setting time of cement,
compressive strength of cement mortar,Soundness of cement paste,Tensile strength of cement mortar,all the above)
5-Stress-strain curve ------------(is the percentage of stress and strain
,is the relationship between stress and strain,is the deference between stress and strain curve
,None of these,Clear selection)
6-------------- are the type of bricks which can withstand high temperature as a construction material(Refractory bricks,Sand –lime bricks,Concrete bricks,glassy bricks,Clear selection)
7-A load of 2 ton hanged down from a vertical round steel rod, if the stress in the rod was (1500) kg /cm2, what is the diameter of the rod that carry this load?
(0.8 cm,1.1 cm,1.3 cm,1.5 cm,1.7 cm)
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